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Master Alloy: H-139

Internal Heraeus Name: Master Alloy | H-139 | Heraeus Shop

Product Details

  • ID
    5095521
  • Color
    Greenish Yellow  
  • Karat
    10-14K  
  • Application
    Casting  
  • Hardness
    152HV (14K)  
  • Casting Temperature
    950-970 (14K)  

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Benefits and Applications

Master alloy for the production of Yellow 417 – 585 ‰ gold jewellery obtained by investment casting. The alloy is becoming more popular due to its sharp greenish colour for the US market. This product, thanks to its complex composition made of numerous different special elements, ensures an extreme level of deoxidation, an extreme surface quality, an enhanced fluidity, and a long lasting of this features also after many reuses of casting scraps, making it the most advanced solution for castings with and without stones in place.